This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 13 |
5 | 92 |
6 | 621 |
7 | 5112 |
8 | 56057 |
9 | 705168 |
10 | 9480665 |
11 | 141039648 |
12 | 2366242693 |
13 | 43609330624 |
14 | 864164283269 |
15 | 18414385180544 |
16 | 422574196387953 |
17 | 10374625080684800 |
18 | 270563138370828465 |
19 | 7472794772378583552 |
20 | 218190569313134267517 |
21 | 6714970997524417977344 |